All the material of their's which I have heard I like. So far I have:
World In Flames.
Trotz Verbot Nicht Tot.
Goat Penis/Death Squadron split 7".
Inhumanisation 12".
Semen 1992-Anno Domini CD.
Pulverize The Human Race CDr.
III Alliance For War DVDr.

So far I enjoy all that material quite a lot, especially the Inhumanisation LP.